이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include "combo.h"
#include <bits/stdc++.h>
using namespace std;
mt19937 mt(time(nullptr));
string guess_sequence(int n) {
vector<char> chr(3);
string cur;
if(press("AB")){
if(press("A")){
cur="A";
chr={'B','X','Y'};
}
else{
cur="B";
chr={'A','X','Y'};
}
}
else{
if(press("X")){
cur="X";
chr={'B','A','Y'};
}
else{
cur="Y";
chr={'A','X','B'};
}
}
for (int i = 1; i < n-1; i++) {
// cout<<cur+chr[0]+chr[0]+cur+chr[0]+chr[1]+cur+chr[0]+chr[2]+cur+chr[1]<<endl;
int len=press(cur+chr[0]+chr[0]+cur+chr[0]+chr[1]+cur+chr[0]+chr[2]+cur+chr[1]);
if(len==cur.size())cur+=chr[2];
else if(len==cur.size()+2)cur+=chr[0];
else cur+=chr[1];
}
if(n>1){
if(press(cur+chr[0])==cur.size()+1)cur+=chr[0];
else if(press(cur+chr[1])==cur.size()+1)cur+=chr[1];
else cur+=chr[2];
}
// cout<<cur<<endl;
return cur;
}
컴파일 시 표준 에러 (stderr) 메시지
combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:33:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
33 | if(len==cur.size())cur+=chr[2];
| ~~~^~~~~~~~~~~~
combo.cpp:34:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
34 | else if(len==cur.size()+2)cur+=chr[0];
| ~~~^~~~~~~~~~~~~~
combo.cpp:38:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
38 | if(press(cur+chr[0])==cur.size()+1)cur+=chr[0];
| ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~
combo.cpp:39:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
39 | else if(press(cur+chr[1])==cur.size()+1)cur+=chr[1];
| ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~
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